Why lack of sleep cause dark circles?

Lack of sleep can cause dark circles under the eyes due to fluid buildup, triggered by increased production of cortisol, a stress hormone.

Sleep deprivation can enlarge blood vessels under the eyes, resulting in dark circles visible through thin skin around the eyes.

Sleep deprivation can cause duller, paler complexion, which is compounded by the appearance of dark bags under the eyes.

To eliminate dark circles caused by sleep deficiency, adults typically require 7-9 hours of sleep per night.

Apply a cold compress in the morning, use moisturiser, avoid caffeine and alcohol before bed to reduce eye puffiness.